Question: What has the oxidation state of 1.0 and is named for the Iron Age
Paraphrase: What has the oxidation nation of 1.0 and is named for the Iron Age
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q11764 wdt:P138 ?answer . ?answer wdt:P1121 ?x FILTER(contains(?x , '1.0'))}